HAIR CARE DESK · UNITED STATESPRACTICAL CALLEDITORIAL CHECK · 2026-08-26
STRAND REPORT

Claims, context, and what the bottle leaves out.

DECISION DESK

Choose clarifying or chelating care for hard-water dullness

Determine whether the problem is product residue, mineral exposure, or another cause before selecting a stronger cleanser.

6 SOURCE REFERENCESOWNED USE TEST NOT EXECUTEDU.S. ROUTINE CONTEXT

THE DESK'S CALL

The headline.

Our call: use chelation for plausible mineral buildup
02

ON THE RECORD

What keeps the headline honest.

This is an editorial conclusion from the stated context. It is not a claimed product trial, diagnosis, or universal ranking.

Decision change

Separates surfactant cleansing from chelation and requires water and formula context without making drinking-water safety claims.

Evidence boundary

pH, cleansing strength, deposits, friction, breakage, color retention, and scalp measures are rarely provided with comparable methods.

03

What could overturn the headline.

THE COUNTER-CASE

  • A strong clarifier may fade color without addressing mineral deposits.
  • Dullness alone does not prove hard-water buildup.

STILL UNREPORTED

  • pH, cleansing strength, deposits, friction, breakage, color retention, and scalp measures are rarely provided with comparable methods.
04

BUSINESS DESK

Commercial disclosure

This report contains no affiliate link or paid product placement. We do not turn manufacturer statements into owned findings, and we do not imply a product was used when no dated hands-on protocol exists.

EVIDENCE TRAIL

What the sources carry — and what the desk decides.

The linked sources support product status, labeling, or professional boundaries. They do not prove the editorial winner and they do not stand in for an owned test.

EDITORIAL JUDGMENT

Our call: use chelation for plausible mineral buildup

A reasoned course of action; not a product result measured by the source.
BOUNDARY OF THE CALL

A strong clarifier may fade color without addressing mineral deposits.

pH, cleansing strength, deposits, friction, breakage, color retention, and scalp measures are rarely provided with comparable methods.

Primary and professional sources in the record

  1. Is It a Cosmetic, a Drug, or Both? (Or Is It Soap?)U.S. Food and Drug Administration
  2. Cosmetics Labeling ClaimsU.S. Food and Drug Administration
  3. Summary of Cosmetics Labeling RequirementsU.S. Food and Drug Administration
  4. 21 CFR Part 701 — Cosmetic LabelingOffice of the Federal Register / eCFR
  5. Hair cosmetics: an overviewMaria Fernanda Reis Gavazzoni Dias
  6. The shampoo pH can affect the hair: myth or reality?Dias et al.
Data and test conditions still required
Product function and category

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Ingredient list for the current version

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Body area and directions

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Amount, contact time, and frequency

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Starting hair-fiber condition

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Buildup and residue

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Performance under realistic use

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Assess buildup and removal separately

Define and retain the conditions, date, material, and outcome before presenting any owned observation.

Balance scalp cleansing and lengths

Define and retain the conditions, date, material, and outcome before presenting any owned observation.

Measure hair fiber reproducibly

Define and retain the conditions, date, material, and outcome before presenting any owned observation.